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Ensure immutable iteration.
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@@ -22,7 +22,7 @@ class DisableSignals(object):
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self.disconnect(signal)
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def __exit__(self, exc_type, exc_val, exc_tb):
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for signal in self.stashed_signals.keys():
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for signal in list(self.stashed_signals.keys()):
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self.reconnect(signal)
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def disconnect(self, signal):
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